Definition of "familial" in English

adjective

1. Of or pertaining to a human family.

   • Mark had to leave work due to familial obligations.

2. (taxonomy) Pertaining to a taxon at the rank of family.

   • Having milky latex is a familial characteristic of Apocynaceae.

3. Of or pertaining to any grouping of things referred to as a family.

   • "Grandfather", "mother", and "brother" are some English familial terms.

4. (pathology) Inherited.

   • fatal familial insomnia